Dell OptiPlex 740 - Manual (Page 20)

6. Install the new system battery.
a. Support the battery connector by pressing down firmly on the positive side of the connector.
b. Hold the battery with the "+" facing up, and slide it under the securing tabs at the positive side of the connector.
c. Press the battery straight down into the connector until it snaps into place.
7. If you have a Small Form Factor chassis, install the hard disk drive (see Installing a Hard Drive ).
8. Replace the computer cover (see Replacing the Computer Cover ).
9. Enter system setup and restore the settings you recorded in step 1 (see Entering System Setup ).
10. Properly dispose of the old battery as described in the Product Information Guide.
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1 system battery 2 positive side of battery connector 3 battery socket
4 battery socket tab
NOTICE: To avoid damage to the battery connector, you must firmly support the connector while replacing the battery.